MESON Chess Problem Database

Problem Display
PID: 18950 (r1R5/6b1/pp5N/3p2Qp/3kP2r/2p5/2bNB3/K4n2 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

1st Prize, Sportowiec, 1959

r1R5/6b1/pp5N/3p2Qp/3kP2r/2p5/2bNB3/K4n2

#2

7 + 11

3749 FIDE Album (1959-1961) 1966
3174 The Two-move Chess Problem Tradition and Development 1966
273 Mat Plus 1994
4655 Michael Keller Ein Meister der Schachkomposition 1994
16307 Rozmaitosci Szachowe 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Sf3#
    • 1...Bxe4
      • 2.Sb3#
    • 1...Be5
      • 2.Sf5#
    • 1...Se3
      • 2.Qxg7#
    • 1...dxe4
      • 2.Rc4#
  • Tries
    • 1.Qg1+?
      • 1...Se3
        • 2.Qxg7#
      • 1...Ke5!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qxd5#
      • 1...Kxe4
        • 2.Qxh4#
      • 1...Rxe4
        • 2.Sf5#
      • 1...Bxe4
        • 2.Qxg7#
      • 1...dxc4
        • 2.Rxc4#
      • 1...dxe4
        • 2.Qd8#
      • 1...Be5
        • 2.Qxe5#
      • 1...Se3
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(e);SBLOCK,XP(D)::S(B)
    • B(b);N_GUARD,SBLOCK,XP(D)::S(B)
    • B(j);SBLOCK::S(F)
    • S(a);SBLOCK::QAB(E),XB(j)
    • P(f);N_GUARD,XP(D)::R1(G)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • S(a);P_SPINS(a),SBLOCK::QAB(E),XB(j)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(B);
    • Threat
      • QAR1(E),XP(f)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XP(D)::QAR(E),XR(e)
      • R(e);SBLOCK,XP(D)::S(F)
      • B(b);SBLOCK,XP(D)::QAB(E),XB(j)
      • P(f);OGATE,XS(B)::R1(G),XP(f)
      • P(f);OGATEB,SBLOCK,XP(D)::QAR(E)
      • B(j);N_GUARD::QAB1(E),XB(j)
      • S(a);N_GUARD::QAB1(E),XS(a)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).